1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // <memory>
10 
11 // template <class X> class auto_ptr;
12 
13 // template<class Y> auto_ptr& operator=(auto_ptr<Y>& a) throw();
14 
15 #define _LIBCPP_DISABLE_DEPRECATION_WARNINGS
16 
17 #include <memory>
18 #include <cassert>
19 
20 #include "../AB.h"
21 
22 void
test()23 test()
24 {
25     {
26     B* p1 = new B(1);
27     const std::auto_ptr<B> ap1(p1);
28     A* p2 = new A(2);
29     std::auto_ptr<A> ap2(p2);
30     assert(A::count == 2);
31     assert(B::count == 1);
32     assert(ap1.get() == p1);
33     assert(ap2.get() == p2);
34     std::auto_ptr<A>& apr = ap2 = ap1;
35     assert(&apr == &ap2);
36     assert(A::count == 1);
37     assert(B::count == 1);
38     assert(ap1.get() == 0);
39     assert(ap2.get() == p1);
40     }
41     assert(A::count == 0);
42     assert(B::count == 0);
43 }
44 
main(int,char **)45 int main(int, char**)
46 {
47     test();
48 
49   return 0;
50 }
51